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What are the ten common misunderstandings of JAVA language

2025-01-18 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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Most people do not understand the knowledge points of this article "what are the ten common misunderstandings of JAVA language?", so the editor summarizes the following content, detailed content, clear steps, and has a certain reference value. I hope you can get something after reading this article. Let's take a look at this "what are the ten common misunderstandings of JAVA language".

1.JAVA is the expansion of HTML.

JAVA is a programming language, and HTML is a page description language. Apart from the fact that the new version of HTML can be used to insert JA-VA applets into web pages, they have nothing in common.

2.JAVA is a programming language that is easy to learn.

No language as powerful as JAVA is simple. When it writes to show Mini Program, it is not always easy, but when it is really doing some important work, it takes a lot of effort. The JAVA library has more than 150 classes and interfaces. Although users of multiple programs do not need the whole class library, they need classes for each item.

3.JAVA is a simple programming environment.

Some people like to use only vi compiler and dbx debugger to write programs. But it is PC and MAC programmers who have become accustomed to using drag-and-pull tables similar to vb style to set up gauges or integrate them into open rings, which is a hassle for them. However, when the Cafe tools of Syman-tec Company or the Latte tools of Borland Company are released, the number of JAVA tools will be greatly reduced.

4.JAVA will become a unified program language for all platforms.

In terms of theory, this is possible. However, this does not mean that users have been given the most convenient path that should be used. The start-up of JAVA is not as good as that of windows with MFC or VB, and the power of the graphic generator provided by JAVA is too simple. We hope that the JAVA class library will become rich soon.

5.JAVA is interpretive, and it is too slow to apply to the heavy application of the special platform.

Many programmers spend too much time in the class that seems to use the square surface of the user interface. Any sequence, no matter what language it is written in, will have enough time to test the mouse. Of course, we have not yet used the current version of JAVA to do the task of cpu dense collection. However, it is not always easy to send an compiler that converts an intermediate code into a local code in JAVA.

6. All JAVA procedures run in the WEB page

All JAVA Mini Program (applet) runs in the WEB page. The JAVA procedure that runs the line in the explorer, which is the definition of applet. However, it is possible and not often useful to write WEB programs that do not depend on the JAVA browser operator. All of these procedures can be transferred, and because JAVA is more convenient and makes fewer mistakes than C++, it is not only a good choice for programming, but also the first choice for learning programming. As soon as it is combined with interface tools and data storage tools, it will be more competitive.

7.JAVA eliminates the need for CGI programming

Absolutely not. In today's technology, CGI is still the most convenient communication segment between ap-plet and server. The server will still need to process the messages sent by applet in CGI language. Of course, users can write CGI in JAVA, as simple as perl or C.

8.JAVA will completely change the calculation of customer / server.

It's possible. The SUN company has publicly published the plans of various kinds of data base, which will make it as simple to open the client / server with JAVA as to open the network sequence with JAVA's network class library.

9. With JAVA, the user can replace the existing computer with a $500,000 In ┐ ternet setting.

It is totally unreasonable to assume that people will abandon desktops that are rich in power and use convenient desktops to pursue machines that have no external storage and have limited power. But Internet is equipped to be used as a portable helper for desktops. If the price is reasonable, users should be willing to use an Internet browser to read new news of their own choice during the meal. This is the charm of JAVA.

10.JAVA will allow to abandon the calculation model based on parts.

When people talk about parts, there are many different meanings. Visual control system (Visual Control), for example, if the OCX part of the GUI program can be inserted, the JAVA has not yet set a standard. The Corba interface and OpenDoc and distributor are used to calculate the energy force of the mold, which will begin soon. There is already a test version of the CORBA interface on the front network.

The above is the content of this article on "what are the ten common misunderstandings of JAVA language". I believe we all have some understanding. I hope the content shared by the editor will be helpful to you. If you want to know more about the relevant knowledge, please pay attention to the industry information channel.

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